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Body

B11D9

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Manufacturer communications

4

Original wording in English

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TSB 25-2142 ↗

FORD

This article supersedes TSB 24-2442 to update the service procedure Some 2021-2024 F-150 vehicels equipped with a 3.5L PowerBoost engine, may exhibit at least one of the following conditions: * "12V Battery State of Charge Low" message displayed in the instrument panel cluster (IPC) * "Charging System Service Soon" message displ…

TSB 24-2295 ↗

FORD

Some 2021-2024 F-150 vehicles equipped with a 3.5L PowerBoost engine, may exhibit a "12V Battery State of Charge Low" or "Charging System Service Soon" Message displayed in the IPC and/or "Remote Features Disabled To Preserve Battery" in FordPass. Some vehicles may also exhibit DTC B11D9:09 and a Sync Screen message of "System O…

SSM 51650 ↗

FORD, LINCOLN

2020-2023 Explorer/Aviator/Police Interceptor Utility Hybrid vehicles may exhibit a charging system warning in the message center and/or illuminated battery lamp with DTC B11D9 present in the body control module (BCM). Refer to Workshop Manual (WSM), Section 414-01, Pinpoint Test C for diagnosis and repair. If the 125 amp fuse o…

SSM 50800 ↗

FORD, LINCOLN

Some 2020-2022 Aviator/Explorer Hybrid vehicles may experience a low battery warning message displayed in the message center with diagnostic trouble code B11D9 present in the body control module (BCM). Refer to Workshop Manual, Section 414-01, Pinpoint Test C for diagnosis and repair. If the 125 amp fuse on the 14300 wire harnes…

Check vehicle applicability

12

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.